This circuit was found in Motorola documentation from 1968. The transistors are from the company, and the power supply is rated at 22 V.
With this circuit it is possible to use a common hair dryer as a hand dryer. The circuit is timed...
This circuit was obtained from an American documentation from the 90's. Inductors are critical...
This configuration from the 1970s can be applied to modern equivalent operational amplifiers. The...